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Biology, 21.06.2019 23:00
Adigestive system that is a series of tubes beginning at the mouth and ending at the anus is a digestive system.
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Categorize each term as something that is typical of a scientific theory, a scientific hypothesis, or both. makes predictions
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Biology, 22.06.2019 05:30
The carbon cycle is best defined as a process in which a. carbon changes from inorganic forms to organic forms and back b. carbon is changed into other elements such as oxygen or nitrogen c. carbon is continually created from the sun’s energy by plants d. carbon is consumed and regenerated from other elements such as oxygen and nitrogen
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Biology, 22.06.2019 05:40
Which of these substances does not protect against invaders in the nonspecific immune response? a. saliva b. mucus c. tears d. urine
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What is community ecology ?...
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